811 lines
35 KiB
PHP
811 lines
35 KiB
PHP
<?php
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/**
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* Smarty Internal Plugin Smarty Template Base
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*
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* This file contains the basic shared methodes for template handling
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*
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* @package Smarty
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* @subpackage Template
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* @author Uwe Tews
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*/
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/**
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* Class with shared template methodes
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*
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* @package Smarty
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* @subpackage Template
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*/
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abstract class Smarty_Internal_TemplateBase extends Smarty_Internal_Data {
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/**
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* fetches a rendered Smarty template
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*
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* @param string $template the resource handle of the template file or template object
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* @param mixed $cache_id cache id to be used with this template
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* @param mixed $compile_id compile id to be used with this template
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* @param object $parent next higher level of Smarty variables
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* @param bool $display true: display, false: fetch
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* @param bool $merge_tpl_vars if true parent template variables merged in to local scope
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* @param bool $no_output_filter if true do not run output filter
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* @return string rendered template output
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*/
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public function fetch($template = null, $cache_id = null, $compile_id = null, $parent = null, $display = false, $merge_tpl_vars = true, $no_output_filter = false)
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{
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if ($template === null && $this instanceof $this->template_class) {
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$template = $this;
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}
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if (!empty($cache_id) && is_object($cache_id)) {
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$parent = $cache_id;
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$cache_id = null;
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}
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if ($parent === null && ($this instanceof Smarty || is_string($template))) {
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$parent = $this;
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}
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// create template object if necessary
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$_template = ($template instanceof $this->template_class)
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? $template
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: $this->smarty->createTemplate($template, $cache_id, $compile_id, $parent, false);
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// if called by Smarty object make sure we use current caching status
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if ($this instanceof Smarty) {
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$_template->caching = $this->caching;
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}
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// merge all variable scopes into template
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if ($merge_tpl_vars) {
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// save local variables
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$save_tpl_vars = $_template->tpl_vars;
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$save_config_vars = $_template->config_vars;
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$ptr_array = array($_template);
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$ptr = $_template;
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while (isset($ptr->parent)) {
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$ptr_array[] = $ptr = $ptr->parent;
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}
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$ptr_array = array_reverse($ptr_array);
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$parent_ptr = reset($ptr_array);
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$tpl_vars = $parent_ptr->tpl_vars;
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$config_vars = $parent_ptr->config_vars;
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while ($parent_ptr = next($ptr_array)) {
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if (!empty($parent_ptr->tpl_vars)) {
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$tpl_vars = array_merge($tpl_vars, $parent_ptr->tpl_vars);
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}
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if (!empty($parent_ptr->config_vars)) {
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$config_vars = array_merge($config_vars, $parent_ptr->config_vars);
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}
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}
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if (!empty(Smarty::$global_tpl_vars)) {
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$tpl_vars = array_merge(Smarty::$global_tpl_vars, $tpl_vars);
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}
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$_template->tpl_vars = $tpl_vars;
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$_template->config_vars = $config_vars;
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}
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// dummy local smarty variable
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if (!isset($_template->tpl_vars['smarty'])) {
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$_template->tpl_vars['smarty'] = new Smarty_Variable;
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}
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if (isset($this->smarty->error_reporting)) {
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$_smarty_old_error_level = error_reporting($this->smarty->error_reporting);
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}
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// check URL debugging control
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if (!$this->smarty->debugging && $this->smarty->debugging_ctrl == 'URL') {
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if (isset($_SERVER['QUERY_STRING'])) {
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$_query_string = $_SERVER['QUERY_STRING'];
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} else {
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$_query_string = '';
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}
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if (false !== strpos($_query_string, $this->smarty->smarty_debug_id)) {
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if (false !== strpos($_query_string, $this->smarty->smarty_debug_id . '=on')) {
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// enable debugging for this browser session
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setcookie('SMARTY_DEBUG', true);
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$this->smarty->debugging = true;
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} elseif (false !== strpos($_query_string, $this->smarty->smarty_debug_id . '=off')) {
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// disable debugging for this browser session
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setcookie('SMARTY_DEBUG', false);
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$this->smarty->debugging = false;
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} else {
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// enable debugging for this page
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$this->smarty->debugging = true;
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}
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} else {
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if (isset($_COOKIE['SMARTY_DEBUG'])) {
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$this->smarty->debugging = true;
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}
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}
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}
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// must reset merge template date
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$_template->smarty->merged_templates_func = array();
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// get rendered template
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// disable caching for evaluated code
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if ($_template->source->recompiled) {
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$_template->caching = false;
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}
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// checks if template exists
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if (!$_template->source->exists) {
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if ($_template->parent instanceof Smarty_Internal_Template) {
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$parent_resource = " in '{$_template->parent->template_resource}'";
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} else {
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$parent_resource = '';
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}
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throw new SmartyException("Unable to load template {$_template->source->type} '{$_template->source->name}'{$parent_resource}");
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}
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// read from cache or render
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if (!($_template->caching == Smarty::CACHING_LIFETIME_CURRENT || $_template->caching == Smarty::CACHING_LIFETIME_SAVED) || !$_template->cached->valid) {
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// render template (not loaded and not in cache)
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if (!$_template->source->uncompiled) {
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$_smarty_tpl = $_template;
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if ($_template->source->recompiled) {
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::start_compile($_template);
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}
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$code = $_template->compiler->compileTemplate($_template);
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::end_compile($_template);
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}
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::start_render($_template);
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}
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try {
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ob_start();
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eval("?>" . $code);
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unset($code);
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} catch (Exception $e) {
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ob_get_clean();
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throw $e;
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}
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} else {
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if (!$_template->compiled->exists || ($_template->smarty->force_compile && !$_template->compiled->isCompiled)) {
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$_template->compileTemplateSource();
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}
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::start_render($_template);
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}
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if (!$_template->compiled->loaded) {
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include($_template->compiled->filepath);
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if ($_template->mustCompile) {
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// recompile and load again
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$_template->compileTemplateSource();
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include($_template->compiled->filepath);
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}
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$_template->compiled->loaded = true;
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} else {
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$_template->decodeProperties($_template->compiled->_properties, false);
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}
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try {
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ob_start();
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if (empty($_template->properties['unifunc']) || !is_callable($_template->properties['unifunc'])) {
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throw new SmartyException("Invalid compiled template for '{$_template->template_resource}'");
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}
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array_unshift($_template->_capture_stack,array());
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//
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// render compiled template
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//
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$_template->properties['unifunc']($_template);
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// any unclosed {capture} tags ?
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if (isset($_template->_capture_stack[0][0])) {
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$_template->capture_error();
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}
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array_shift($_template->_capture_stack);
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} catch (Exception $e) {
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ob_get_clean();
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throw $e;
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}
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}
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} else {
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if ($_template->source->uncompiled) {
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::start_render($_template);
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}
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try {
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ob_start();
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$_template->source->renderUncompiled($_template);
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} catch (Exception $e) {
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ob_get_clean();
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throw $e;
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}
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} else {
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throw new SmartyException("Resource '$_template->source->type' must have 'renderUncompiled' method");
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}
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}
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$_output = ob_get_clean();
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if (!$_template->source->recompiled && empty($_template->properties['file_dependency'][$_template->source->uid])) {
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$_template->properties['file_dependency'][$_template->source->uid] = array($_template->source->filepath, $_template->source->timestamp, $_template->source->type);
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}
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if ($_template->parent instanceof Smarty_Internal_Template) {
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$_template->parent->properties['file_dependency'] = array_merge($_template->parent->properties['file_dependency'], $_template->properties['file_dependency']);
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foreach ($_template->required_plugins as $code => $tmp1) {
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foreach ($tmp1 as $name => $tmp) {
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foreach ($tmp as $type => $data) {
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$_template->parent->required_plugins[$code][$name][$type] = $data;
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}
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}
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}
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}
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::end_render($_template);
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}
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// write to cache when nessecary
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if (!$_template->source->recompiled && ($_template->caching == Smarty::CACHING_LIFETIME_SAVED || $_template->caching == Smarty::CACHING_LIFETIME_CURRENT)) {
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::start_cache($_template);
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}
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$_template->properties['has_nocache_code'] = false;
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// get text between non-cached items
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$cache_split = preg_split("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $_output);
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// get non-cached items
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preg_match_all("!/\*%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*\/(.+?)/\*/%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!s", $_output, $cache_parts);
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$output = '';
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// loop over items, stitch back together
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foreach ($cache_split as $curr_idx => $curr_split) {
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// escape PHP tags in template content
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$output .= preg_replace('/(<%|%>|<\?php|<\?|\?>)/', '<?php echo \'$1\'; ?>', $curr_split);
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if (isset($cache_parts[0][$curr_idx])) {
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$_template->properties['has_nocache_code'] = true;
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// remove nocache tags from cache output
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$output .= preg_replace("!/\*/?%%SmartyNocache:{$_template->properties['nocache_hash']}%%\*/!", '', $cache_parts[0][$curr_idx]);
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}
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}
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if (!$no_output_filter && !$_template->has_nocache_code && (isset($this->smarty->autoload_filters['output']) || isset($this->smarty->registered_filters['output']))) {
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$output = Smarty_Internal_Filter_Handler::runFilter('output', $output, $_template);
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}
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// rendering (must be done before writing cache file because of {function} nocache handling)
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$_smarty_tpl = $_template;
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try {
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ob_start();
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eval("?>" . $output);
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$_output = ob_get_clean();
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} catch (Exception $e) {
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ob_get_clean();
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throw $e;
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}
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// write cache file content
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$_template->writeCachedContent($output);
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::end_cache($_template);
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}
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} else {
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// var_dump('renderTemplate', $_template->has_nocache_code, $_template->template_resource, $_template->properties['nocache_hash'], $_template->parent->properties['nocache_hash'], $_output);
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if (!empty($_template->properties['nocache_hash']) && !empty($_template->parent->properties['nocache_hash'])) {
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// replace nocache_hash
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$_output = str_replace("{$_template->properties['nocache_hash']}", $_template->parent->properties['nocache_hash'], $_output);
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$_template->parent->has_nocache_code = $_template->parent->has_nocache_code || $_template->has_nocache_code;
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}
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}
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} else {
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::start_cache($_template);
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}
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try {
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ob_start();
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array_unshift($_template->_capture_stack,array());
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//
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// render cached template
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//
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$_template->properties['unifunc']($_template);
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// any unclosed {capture} tags ?
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if (isset($_template->_capture_stack[0][0])) {
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$_template->capture_error();
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}
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array_shift($_template->_capture_stack);
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$_output = ob_get_clean();
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} catch (Exception $e) {
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ob_get_clean();
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throw $e;
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}
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::end_cache($_template);
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}
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}
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if ((!$this->caching || $_template->has_nocache_code || $_template->source->recompiled) && !$no_output_filter && (isset($this->smarty->autoload_filters['output']) || isset($this->smarty->registered_filters['output']))) {
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$_output = Smarty_Internal_Filter_Handler::runFilter('output', $_output, $_template);
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}
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if (isset($this->error_reporting)) {
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error_reporting($_smarty_old_error_level);
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}
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// display or fetch
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if ($display) {
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if ($this->caching && $this->cache_modified_check) {
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$_isCached = $_template->isCached() && !$_template->has_nocache_code;
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$_last_modified_date = @substr($_SERVER['HTTP_IF_MODIFIED_SINCE'], 0, strpos($_SERVER['HTTP_IF_MODIFIED_SINCE'], 'GMT') + 3);
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if ($_isCached && $_template->cached->timestamp <= strtotime($_last_modified_date)) {
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switch (PHP_SAPI) {
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case 'cgi': // php-cgi < 5.3
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case 'cgi-fcgi': // php-cgi >= 5.3
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case 'fpm-fcgi': // php-fpm >= 5.3.3
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header('Status: 304 Not Modified');
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break;
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case 'cli':
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if (/* ^phpunit */!empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS'])/* phpunit$ */) {
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$_SERVER['SMARTY_PHPUNIT_HEADERS'][] = '304 Not Modified';
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}
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break;
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default:
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header($_SERVER['SERVER_PROTOCOL'].' 304 Not Modified');
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break;
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}
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} else {
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switch (PHP_SAPI) {
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case 'cli':
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if (/* ^phpunit */!empty($_SERVER['SMARTY_PHPUNIT_DISABLE_HEADERS'])/* phpunit$ */) {
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$_SERVER['SMARTY_PHPUNIT_HEADERS'][] = 'Last-Modified: ' . gmdate('D, d M Y H:i:s', $_template->cached->timestamp) . ' GMT';
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}
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break;
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default:
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header('Last-Modified: ' . gmdate('D, d M Y H:i:s', $_template->cached->timestamp) . ' GMT');
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break;
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}
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echo $_output;
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}
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} else {
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echo $_output;
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}
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// debug output
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if ($this->smarty->debugging) {
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Smarty_Internal_Debug::display_debug($this);
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}
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if ($merge_tpl_vars) {
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// restore local variables
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$_template->tpl_vars = $save_tpl_vars;
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$_template->config_vars = $save_config_vars;
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}
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return;
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} else {
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if ($merge_tpl_vars) {
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// restore local variables
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$_template->tpl_vars = $save_tpl_vars;
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$_template->config_vars = $save_config_vars;
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}
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// return fetched content
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return $_output;
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}
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}
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/**
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* displays a Smarty template
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*
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* @param string $template the resource handle of the template file or template object
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* @param mixed $cache_id cache id to be used with this template
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* @param mixed $compile_id compile id to be used with this template
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* @param object $parent next higher level of Smarty variables
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*/
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public function display($template = null, $cache_id = null, $compile_id = null, $parent = null)
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{
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// display template
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$this->fetch($template, $cache_id, $compile_id, $parent, true);
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}
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/**
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* test if cache is valid
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*
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* @param string|object $template the resource handle of the template file or template object
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* @param mixed $cache_id cache id to be used with this template
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* @param mixed $compile_id compile id to be used with this template
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* @param object $parent next higher level of Smarty variables
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* @return boolean cache status
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*/
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public function isCached($template = null, $cache_id = null, $compile_id = null, $parent = null)
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{
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if ($template === null && $this instanceof $this->template_class) {
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return $this->cached->valid;
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}
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if (!($template instanceof $this->template_class)) {
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if ($parent === null) {
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$parent = $this;
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}
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$template = $this->smarty->createTemplate($template, $cache_id, $compile_id, $parent, false);
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}
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// return cache status of template
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return $template->cached->valid;
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}
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/**
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* creates a data object
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*
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* @param object $parent next higher level of Smarty variables
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* @returns Smarty_Data data object
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*/
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public function createData($parent = null)
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{
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return new Smarty_Data($parent, $this);
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}
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/**
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* Registers plugin to be used in templates
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*
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* @param string $type plugin type
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* @param string $tag name of template tag
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* @param callback $callback PHP callback to register
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* @param boolean $cacheable if true (default) this fuction is cachable
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* @param array $cache_attr caching attributes if any
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
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* @throws SmartyException when the plugin tag is invalid
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*/
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public function registerPlugin($type, $tag, $callback, $cacheable = true, $cache_attr = null)
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{
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if (isset($this->smarty->registered_plugins[$type][$tag])) {
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throw new SmartyException("Plugin tag \"{$tag}\" already registered");
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} elseif (!is_callable($callback)) {
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throw new SmartyException("Plugin \"{$tag}\" not callable");
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} else {
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$this->smarty->registered_plugins[$type][$tag] = array($callback, (bool) $cacheable, (array) $cache_attr);
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}
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return $this;
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}
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/**
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* Unregister Plugin
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*
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* @param string $type of plugin
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* @param string $tag name of plugin
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
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*/
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public function unregisterPlugin($type, $tag)
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{
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if (isset($this->smarty->registered_plugins[$type][$tag])) {
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unset($this->smarty->registered_plugins[$type][$tag]);
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}
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return $this;
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}
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|
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/**
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* Registers a resource to fetch a template
|
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*
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* @param string $type name of resource type
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* @param Smarty_Resource|array $callback or instance of Smarty_Resource, or array of callbacks to handle resource (deprecated)
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* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
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*/
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public function registerResource($type, $callback)
|
|
{
|
|
$this->smarty->registered_resources[$type] = $callback instanceof Smarty_Resource ? $callback : array($callback, false);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Unregisters a resource
|
|
*
|
|
* @param string $type name of resource type
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
|
|
*/
|
|
public function unregisterResource($type)
|
|
{
|
|
if (isset($this->smarty->registered_resources[$type])) {
|
|
unset($this->smarty->registered_resources[$type]);
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Registers a cache resource to cache a template's output
|
|
*
|
|
* @param string $type name of cache resource type
|
|
* @param Smarty_CacheResource $callback instance of Smarty_CacheResource to handle output caching
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
|
|
*/
|
|
public function registerCacheResource($type, Smarty_CacheResource $callback)
|
|
{
|
|
$this->smarty->registered_cache_resources[$type] = $callback;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Unregisters a cache resource
|
|
*
|
|
* @param string $type name of cache resource type
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
|
|
*/
|
|
public function unregisterCacheResource($type)
|
|
{
|
|
if (isset($this->smarty->registered_cache_resources[$type])) {
|
|
unset($this->smarty->registered_cache_resources[$type]);
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Registers object to be used in templates
|
|
*
|
|
* @param string $object name of template object
|
|
* @param object $object_impl the referenced PHP object to register
|
|
* @param array $allowed list of allowed methods (empty = all)
|
|
* @param boolean $smarty_args smarty argument format, else traditional
|
|
* @param array $block_methods list of block-methods
|
|
* @param array $block_functs list of methods that are block format
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
|
|
* @throws SmartyException if any of the methods in $allowed or $block_methods are invalid
|
|
*/
|
|
public function registerObject($object_name, $object_impl, $allowed = array(), $smarty_args = true, $block_methods = array())
|
|
{
|
|
// test if allowed methodes callable
|
|
if (!empty($allowed)) {
|
|
foreach ((array) $allowed as $method) {
|
|
if (!is_callable(array($object_impl, $method))) {
|
|
throw new SmartyException("Undefined method '$method' in registered object");
|
|
}
|
|
}
|
|
}
|
|
// test if block methodes callable
|
|
if (!empty($block_methods)) {
|
|
foreach ((array) $block_methods as $method) {
|
|
if (!is_callable(array($object_impl, $method))) {
|
|
throw new SmartyException("Undefined method '$method' in registered object");
|
|
}
|
|
}
|
|
}
|
|
// register the object
|
|
$this->smarty->registered_objects[$object_name] =
|
|
array($object_impl, (array) $allowed, (boolean) $smarty_args, (array) $block_methods);
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* return a reference to a registered object
|
|
*
|
|
* @param string $name object name
|
|
* @return object
|
|
* @throws SmartyException if no such object is found
|
|
*/
|
|
public function getRegisteredObject($name)
|
|
{
|
|
if (!isset($this->smarty->registered_objects[$name])) {
|
|
throw new SmartyException("'$name' is not a registered object");
|
|
}
|
|
if (!is_object($this->smarty->registered_objects[$name][0])) {
|
|
throw new SmartyException("registered '$name' is not an object");
|
|
}
|
|
return $this->smarty->registered_objects[$name][0];
|
|
}
|
|
|
|
/**
|
|
* unregister an object
|
|
*
|
|
* @param string $name object name
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
|
|
*/
|
|
public function unregisterObject($name)
|
|
{
|
|
if (isset($this->smarty->registered_objects[$name])) {
|
|
unset($this->smarty->registered_objects[$name]);
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Registers static classes to be used in templates
|
|
*
|
|
* @param string $class name of template class
|
|
* @param string $class_impl the referenced PHP class to register
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
|
|
* @throws SmartyException if $class_impl does not refer to an existing class
|
|
*/
|
|
public function registerClass($class_name, $class_impl)
|
|
{
|
|
// test if exists
|
|
if (!class_exists($class_impl)) {
|
|
throw new SmartyException("Undefined class '$class_impl' in register template class");
|
|
}
|
|
// register the class
|
|
$this->smarty->registered_classes[$class_name] = $class_impl;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Registers a default plugin handler
|
|
*
|
|
* @param callable $callback class/method name
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
|
|
* @throws SmartyException if $callback is not callable
|
|
*/
|
|
public function registerDefaultPluginHandler($callback)
|
|
{
|
|
if (is_callable($callback)) {
|
|
$this->smarty->default_plugin_handler_func = $callback;
|
|
} else {
|
|
throw new SmartyException("Default plugin handler '$callback' not callable");
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Registers a default template handler
|
|
*
|
|
* @param callable $callback class/method name
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
|
|
* @throws SmartyException if $callback is not callable
|
|
*/
|
|
public function registerDefaultTemplateHandler($callback)
|
|
{
|
|
if (is_callable($callback)) {
|
|
$this->smarty->default_template_handler_func = $callback;
|
|
} else {
|
|
throw new SmartyException("Default template handler '$callback' not callable");
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Registers a default template handler
|
|
*
|
|
* @param callable $callback class/method name
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
|
|
* @throws SmartyException if $callback is not callable
|
|
*/
|
|
public function registerDefaultConfigHandler($callback)
|
|
{
|
|
if (is_callable($callback)) {
|
|
$this->smarty->default_config_handler_func = $callback;
|
|
} else {
|
|
throw new SmartyException("Default config handler '$callback' not callable");
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Registers a filter function
|
|
*
|
|
* @param string $type filter type
|
|
* @param callback $callback
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
|
|
*/
|
|
public function registerFilter($type, $callback)
|
|
{
|
|
$this->smarty->registered_filters[$type][$this->_get_filter_name($callback)] = $callback;
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Unregisters a filter function
|
|
*
|
|
* @param string $type filter type
|
|
* @param callback $callback
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
|
|
*/
|
|
public function unregisterFilter($type, $callback)
|
|
{
|
|
$name = $this->_get_filter_name($callback);
|
|
if (isset($this->smarty->registered_filters[$type][$name])) {
|
|
unset($this->smarty->registered_filters[$type][$name]);
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* Return internal filter name
|
|
*
|
|
* @param callback $function_name
|
|
* @return string internal filter name
|
|
*/
|
|
public function _get_filter_name($function_name)
|
|
{
|
|
if (is_array($function_name)) {
|
|
$_class_name = (is_object($function_name[0]) ?
|
|
get_class($function_name[0]) : $function_name[0]);
|
|
return $_class_name . '_' . $function_name[1];
|
|
} else {
|
|
return $function_name;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* load a filter of specified type and name
|
|
*
|
|
* @param string $type filter type
|
|
* @param string $name filter name
|
|
* @throws SmartyException if filter could not be loaded
|
|
*/
|
|
public function loadFilter($type, $name)
|
|
{
|
|
$_plugin = "smarty_{$type}filter_{$name}";
|
|
$_filter_name = $_plugin;
|
|
if ($this->smarty->loadPlugin($_plugin)) {
|
|
if (class_exists($_plugin, false)) {
|
|
$_plugin = array($_plugin, 'execute');
|
|
}
|
|
if (is_callable($_plugin)) {
|
|
$this->smarty->registered_filters[$type][$_filter_name] = $_plugin;
|
|
return true;
|
|
}
|
|
}
|
|
throw new SmartyException("{$type}filter \"{$name}\" not callable");
|
|
}
|
|
|
|
/**
|
|
* unload a filter of specified type and name
|
|
*
|
|
* @param string $type filter type
|
|
* @param string $name filter name
|
|
* @return Smarty_Internal_Templatebase current Smarty_Internal_Templatebase (or Smarty or Smarty_Internal_Template) instance for chaining
|
|
*/
|
|
public function unloadFilter($type, $name)
|
|
{
|
|
$_filter_name = "smarty_{$type}filter_{$name}";
|
|
if (isset($this->smarty->registered_filters[$type][$_filter_name])) {
|
|
unset ($this->smarty->registered_filters[$type][$_filter_name]);
|
|
}
|
|
|
|
return $this;
|
|
}
|
|
|
|
/**
|
|
* preg_replace callback to convert camelcase getter/setter to underscore property names
|
|
*
|
|
* @param string $match match string
|
|
* @return string replacemant
|
|
*/
|
|
private function replaceCamelcase($match) {
|
|
return "_" . strtolower($match[1]);
|
|
}
|
|
|
|
/**
|
|
* Handle unknown class methods
|
|
*
|
|
* @param string $name unknown method-name
|
|
* @param array $args argument array
|
|
*/
|
|
public function __call($name, $args)
|
|
{
|
|
static $_prefixes = array('set' => true, 'get' => true);
|
|
static $_resolved_property_name = array();
|
|
static $_resolved_property_source = array();
|
|
|
|
// method of Smarty object?
|
|
if (method_exists($this->smarty, $name)) {
|
|
return call_user_func_array(array($this->smarty, $name), $args);
|
|
}
|
|
// see if this is a set/get for a property
|
|
$first3 = strtolower(substr($name, 0, 3));
|
|
if (isset($_prefixes[$first3]) && isset($name[3]) && $name[3] !== '_') {
|
|
if (isset($_resolved_property_name[$name])) {
|
|
$property_name = $_resolved_property_name[$name];
|
|
} else {
|
|
// try to keep case correct for future PHP 6.0 case-sensitive class methods
|
|
// lcfirst() not available < PHP 5.3.0, so improvise
|
|
$property_name = strtolower(substr($name, 3, 1)) . substr($name, 4);
|
|
// convert camel case to underscored name
|
|
$property_name = preg_replace_callback('/([A-Z])/', array($this,'replaceCamelcase'), $property_name);
|
|
$_resolved_property_name[$name] = $property_name;
|
|
}
|
|
if (isset($_resolved_property_source[$property_name])) {
|
|
$_is_this = $_resolved_property_source[$property_name];
|
|
} else {
|
|
$_is_this = null;
|
|
if (property_exists($this, $property_name)) {
|
|
$_is_this = true;
|
|
} else if (property_exists($this->smarty, $property_name)) {
|
|
$_is_this = false;
|
|
}
|
|
$_resolved_property_source[$property_name] = $_is_this;
|
|
}
|
|
if ($_is_this) {
|
|
if ($first3 == 'get')
|
|
return $this->$property_name;
|
|
else
|
|
return $this->$property_name = $args[0];
|
|
} else if ($_is_this === false) {
|
|
if ($first3 == 'get')
|
|
return $this->smarty->$property_name;
|
|
else
|
|
return $this->smarty->$property_name = $args[0];
|
|
} else {
|
|
throw new SmartyException("property '$property_name' does not exist.");
|
|
return false;
|
|
}
|
|
}
|
|
if ($name == 'Smarty') {
|
|
throw new SmartyException("PHP5 requires you to call __construct() instead of Smarty()");
|
|
}
|
|
// must be unknown
|
|
throw new SmartyException("Call of unknown method '$name'.");
|
|
}
|
|
|
|
}
|
|
|
|
?>
|